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Finding the Fourth Proportional to 177,616.40, 266,424.60 and 107,459.60

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Solution

The fourth proportional to 177,616.40, 266,424.60 and 107,459.60 is: 161,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,616.40 : 266,424.60 = 107,459.60 : x
  2. Step 2: Convert to fraction form
    177,616.40/266,424.60 = 107,459.60/x
  3. Step 3: Cross multiply
    177,616.40x = 266,424.60 × 107,459.60
  4. Step 4: Simplify right side
    177,616.40x = 28,629,880,946.16
  5. Step 5: Solve for x
    x = 28,629,880,946.16/177,616.40
  6. Step 6: Final answer
    x = 161,189.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.